Miss Tsai did not accept 'the 92 consensus' in her speech, suggesting she did not think and accept that Taiwan is a part of China. In her mind, Taiwan is an independent country. Most of youn people in Taiwan think the same way as Miss Tsai.
It's so urgent now, thus very dangerous for the Mainland that has no choice but use force to reunify the separated land. Timing of doing so is crucial, but it is not long from now.